All four are nominated this year: Lorde with four nods (Record of the Year, Song of the Year, Best Pop Solo Performance for “Royals” and Best Pop Vocal Album for Pure Heroine); Thicke with three noms (Record of the Year and Best Pop Duo/Group Performance for “Blurred Lines,” Best Pop Vocal Album for Blurred Lines); Perry with two (Song of the Year and Best Pop Solo Performance for “Roar”); and Metallica with one (for their Metallica Through the Never soundtrack(Music up for Best Recording Package).